<!--
 * @Author: your name
 * @Date: 2017-08-04 15:54:18
 * @LastEditTime: 2019-12-13 16:36:12
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: /courseware_echarts/04/pie.html
 -->
<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>ECharts</title>
    <!-- 引入 echarts.js -->
    <script src="../echarts.min.js"></script>
</head>

<body>
    <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
    <div id="main" style="width: 900px;height:600px;"></div>
    <script type="text/javascript">
        // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));

        // 指定图表的配置项和数据
        var option = {
            title: {
                text: '某站点用户访问来源',
                subtext: '纯属虚构',
                x: 'center'
            },
            tooltip: {
                trigger: 'item',
                formatter: "{a} <br/>{b} : {c} ({d}%)"
            },
            legend: {
                orient: 'vertical',
                left: 'left',
                data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
            },
            series: [{
                name: '访问来源',
                type: 'pie',
                label: {
                    formatter: function (e) {
                        return '2323'
                    }
                },
                radius: ['40%', '80%'],
                center: ['50%', '50%'],
                data: [{
                        value: 335,
                        name: '直接访问'
                    },
                    {
                        value: 310,
                        name: '邮件营销'
                    },
                    {
                        value: 234,
                        name: '联盟广告'
                    },
                    {
                        value: 135,
                        name: '视频广告'
                    },
                    {
                        value: 1548,
                        name: '搜索引擎'
                    }
                ]
            }]
        };

        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);
    </script>
</body>

</html>